function strpad(val)
{
  return (!isNaN(val) && val.toString().length==1) ? "0"+val : val;
}

function generateCalendar( lang, none )
{
  var f = document.calendar_form;
        if (!none)
        {
          eval ( "var selected_month = f.m.options[f.m.selectedIndex].value;");
          eval ( "var selected_year = f.y.options[f.y.selectedIndex].value;");
                var js_month = selected_month - 1;
        }
        else 
        {
          var today = new Date();
          var selected_month = today.getMonth() + 1;
                selected_month = strpad(selected_month);
                var js_month = selected_month - 1;
                var selected_year = today.getFullYear();
        }
        var thistime = new Date();
        var thisyear = thistime.getFullYear();
        var thismonth =thistime.getMonth() + 1;
        var js_thismonth = thismonth - 1;
        thismonth = strpad(thismonth);
        var thisday = thistime.getDate();
        var years = new Array( thisyear, thisyear+1 );
        
        var calendar = "<table width=\"120\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr><td height=\"27\"><table width=\"120\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
        calendar += "<td width=\"50\"><select name=\"y\" onchange=\"generateCalendar('"+lang+"', 0)\">";
        for ( var i =0; i<years.length; i++ )
        {
          calendar += "<option value=\""+years[i]+"\" ";;
          if (years[i] == selected_year) calendar += "selected";
                calendar += ">"+years[i]+"</option>";
        }
        calendar += "</select></td>";
        
        var months_lt = new Array( "Sausis", "Vasaris", "Kovas", "Balandis", "Gegužė", "Birželis", "Liepa", "Rugpjūtis", "Rugsėjis", "Spalis", "Lapkritis", "Gruodis" );
        var months_en = new Array( "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" );
  eval(        "var this_months = months_"+lang+";");
        
        calendar += "<td width=\"70\" align=\"right\"><select name=\"m\" onchange=\"generateCalendar('"+lang+"', 0)\">";
        for ( var j=0; j<this_months.length; j++)
        {
          calendar += "<option value=\"";
                op_val = strpad(j+1);
                calendar += op_val+"\"";
                if (selected_month == op_val) calendar += " selected ";
                calendar += ">"+this_months[j]+"</option>"
        }
        calendar += "</select></td>";
        
        var week_days_lt = new Array( "P", "A", "T", "K", "P", "Š", "S" );
        var week_days_en = new Array( "M", "T", "W", "T", "F", "S", "S" );
  eval(        "var this_week = week_days_"+lang+";");
        
        calendar += "</tr></table></td></tr><tr><td bgcolor=\"#b5b59b\"><img src=\"*\" width=\"1\" height=\"4\"></td></tr><tr><td><table width=\"100%\" border=\"0\" cellspacing=\"1\" cellpadding=\"0\"><tr>";
        
  var thetime_ = new Date( selected_year, js_month );
        var nexttime = thetime_.getTime() + (60 * 60 * 24 * 32 * 1000);
        
        var next_ = new Date( nexttime );
        var next_year = next_.getFullYear();
        var next_month = next_.getMonth();
        var nexttime_ = new Date( next_year, next_month );
        
        var weekday_ = thetime_.getDay();
        //pirmoji savaites diena menesyje
        if (weekday_ == 0) weekday_ = 7; 

        var days_num = (nexttime_ - thetime_) / 24 / 60 / 60 / 1000;
        days_num = Math.round(days_num);
        
        calendar += "<tr bgcolor=\"#E6E6E6\">";
        for ( var i =0; i<this_week.length; i++ )
        {
          calendar += "        <td width=\"14%\" align=\"center\" height=\"16\"><strong>"+this_week[i]+"</strong></td>";
        }
        calendar += "</tr>";
        
  if (weekday_ > 1)
  {
    var colspan = weekday_ - 1;
    calendar += "<td colspan=\""+colspan+"\"></td>";
  }

        var link = "http://www.eb.lt/"+lang+".php3?vid=75&date=";
        for ( var i = 1; i <= days_num; i++ )
        {
          if ( weekday_ == 8 )
                {
                  calendar += "</tr><tr>";
                        weekday_ = 1;
                }
                calendar += "<td align=\"center\"";
                if (selected_year == thisyear && js_month == js_thismonth && i == thisday)
                  calendar += "bgcolor=#FF0000";
                calendar += " >";
                if (selected_year > thisyear || (selected_year == thisyear && (js_month > js_thismonth) || (js_month == js_thismonth && i >= thisday)))
                {
                  var curDate = new Date( selected_year, js_month, i );
                  calendar += "<a href=\""+link+curDate.getTime()/1000+"\">";
                }
                if (selected_year == thisyear && js_month == js_thismonth && i == thisday)
                  calendar += "<font color=#FFFFFF>";
                calendar +=i;
                if (selected_year == thisyear && js_month == js_thismonth && i == thisday)
                  calendar += "</font>";
                if (selected_year > thisyear || (selected_year == thisyear && (js_month > js_thismonth) || (js_month == js_thismonth && i >= thisday)))
                  calendar += "</a>";
                calendar += "</td>";
                weekday_++;
        }
        
        if ( weekday_ < 7 )
        {
          colspan = 7 - weekday_;
                calendar += "<td colspan=\""+colspan+"\"></td>";
        }

        calendar += "</tr></table>";  
  document.getElementById('calendar').innerHTML = calendar ;                
}